J
Jasc Software 83, 464
Java, inserting applets 306
JavaScript
adding date and time to page 324
and id 67
and Netscape layers 367
changing multiple frames 326
controlling status area 325
controlling Window size 331
description 313
disabled 319
enabling disabled form elements 291
hiding (X)HTML 57
keeping frames in framesets 327
loading images into cache 330
rollovers 328-330
scripts for your use 323-331
switching style sheets 150
using in page 313-331
JPEG images
about 84-88
blurring 100
compression 87, 100
disadvantages 87
fake transparency 95
in forms 286
progressive display 99
saving 90-91
justifying text 171
Go to the letter K.